<template>
   
    <div class="mui-numbox" data-numbox-min="1" style="height:25px">
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" class="mui-input-numbox" type="number" :value="count" @change="countChanged" ref="numbox" readonly>
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>

        <!-- 分析：子组件什么时候把数据传递给父组件 -->

</template>


<script>
import mui from '../../lib/mui/js/mui.min.js';
export default {
    mounted(){
        // 初始化数字选择框组件
        mui(".mui-numbox").numbox();
    },
    methods:{
        countChanged(){
            // 数量改变了
            console.log(this.$refs.numbox.value);

            // 购物车数量变了之后，立即把数量同步到store到car中
            this.$store.commit('updateGoodsInfo',{
                id:this.goodsid,
                count:this.$refs.numbox.value
            });
        }
    },
    props:['count','goodsid']
}
</script>



<style lang="scss" scoped>

</style>
